Date: 2013-08-08

The Operating characteristics of SKF cross roller bearings

1. SKF cross roller bearings have excellent rotation accuracy

The internal structure of SKF Cross roller bearing adopts roller 90 ° mutual vertical cross array, roller with interval between retainer or isolation block, can prevent roller tilt cargo roller friction between, effectively prevent the increase of the rotary torque. In addition, it will not occur on one side of the roller contact phenomenon or lock phenomenon; At the same time, because internal and external ring is integral structure, clearance can be adjusted, even if be family preloading, also can get high precision rotary motion.

 

2, operation and simplify installation

SKF cross roller bearings are divided into 2 parts of the outer ring or inner ring, after loading rollers and cage, they are fixed together, so when installation, operation is very simple.

3, takes larger axial and radial load

Because the roller in the 90 ° of V groove rolling surface through the space cage is mutual vertical arrangement, this design makes cross roller bearing can take larger radial load and axial load and torque load all direction of the load.

4. Greatly save installation space

SKF Cross roller bearing inside and outside ring size is minimal miniaturization, especially ultra thin structure is close to the limit of small size, and has high rigidity, so the most suitable for industrial robot joint parts or rotating parts and mechanical processing center of the rotary table, manipulator rotating department, precision rotary table, medical instruments, measuring instruments, IC manufacturing devices widely used.

5. High speed capability

6. Reduce the shaft length and processing cost, thermal expansion leads to the change of geometry size limited

7. The nylon dividers, moment of inertia is low, low starting torque, easy to control the Angle index

8. Optimization of prestressed force, stiffness, guide roller running high precision

9. Carburizing steel provide good resistance to impact and surface resistant ability

10. Simple but fully lubricated.

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